Can prop. taxes skyrocket drastically after we buy because of the appraisal? We're in Long Island.We're buying a house with property taxes that are low considering the size and added extensions. If a similar house were to add the extensions the realtor says the taxes would be in the 20k. Can the taxes on our house sky rocket after purchase because it is low for the size of it?July 31 2012 - New York00YesReport a ProblemProblemSelect oneOffensive contentIrrelevant contentSpam (pure self-promotion)OtherDetailsYour emailPlease enter a valid email address.Submit CancelContent flaggedWe will review this content. Thanks for helping make the site more useful to everyone. To learn more, read Zillow's Good Neighbor Policy.We're sorry. This service is temporarily unavailable. Please come back later and try again.